Title of article
Different versions of a first countable space without choice
Author/Authors
Keremedis، نويسنده , , Kyriakos and Tachtsis، نويسنده , , Eleftherios، نويسنده ,
Issue Information
دوماهنامه با شماره پیاپی سال 2009
Pages
5
From page
2000
To page
2004
Abstract
We show that two versions of a first countable topological space which are equivalent in ZFC set theory split in the absence of the Axiom of Choice AC. This answers in the negative a related question from Gutierres “What is a first countable space?”.
Keywords
First countable topological spaces , Independence results , Weak axioms of choice , AXIOM OF CHOICE
Journal title
Topology and its Applications
Serial Year
2009
Journal title
Topology and its Applications
Record number
1582112
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